BU52077GWZ Datasheet, PDF (8/20 Pages) Rohm – Omnipolar Detection Hall IC

BU52077GWZ
(Magnetic Field Detection Mechanism)
S
N
S
S
N
S
N
Flux Direction
Flux Direction
Figure 14
The Hall IC cannot detect magnetic fields that run horizontal to the package top layer.
Be certain to configure the Hall IC so that the magnetic field is perpendicular to the top layer.
OUT1
S
N
S
N
N
OUT1[V]
S
High
Flux
N-pole
High
0
Magnetic Flux Density [mT]
Figure 15. S-pole Detection
Flux
High
Low
B
Brp S Bop S
S-pole
The OUT1 pin detects and outputs for the S-pole only. Since the OUT1 pin output is unipolar, the output does not respond
to the N-pole.
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TSZ02201-0M2M0F414010-1-2
11.Aug.2014 Rev.001